Unloading mechanism.



. No. 873,992 PATENTED DEC. 1571907.

R GUNNINGETAM; .'UNLOADING MECHANISM;

APPLICATION FILED SEPT. 18. 1907.

2 SHEETS-SHEBT 1.

PATENTED DEC. 17, 190

W, R. CUNNINGHAM. UISELOADING MECHANISM. APPLICATION FILED SBIT.18,1907,

52 SHEETS-SHEET 2 anvaml'oz arm 1,7512 W WWW" who w movable carriage to the fixed supporting frame-work, as i will hereinafter describe.

The bars, 28 and :39, have their upper edges provided with open bearings, 30, adapted to receive the gudgeons or journal ends of suitable rollers, 32 and 33, the purpose of which is to cause the belt to change its transverse l'oigm from the-normal troughsha e before mentioned, to a level or flat sin-ace, at the point of delivery of the moteriel being trensported.

Bolted to the up )er portions of the side frznnes, at one end of the carriage, are ournnl bearings, 34; end 35, which support it transverse shaft, 36, on one end of which is lixed u hond wheel, 37, or other operating menus, while on the opposite end portion is a, worm, 38, which meshes with n worm-wheel, 39, fixed to the upper end of at verticnl shuft, 40, to whose lower end is fixed a wing-scraper or blade, 41, :ulopted to direct the nntterial on the belt outwardly towards and over one edge of the conveying-belt, and into a suitable chute or upron, 4o, ns shown in Figs. 1 and 3.

'lo one of the side frames and on the opposite side of the main frame from the vertical shaft, 40, is bolted. another journal bearing, 42, which. supports a, horizontal, transversely extending worm shaft, 42%, carrying :i bandwheel, it, and worm, 45, arranged to engage u worm-gem, to, on the upper end of a vertical shaft, l7 to the lower end ,of which is :tttnched u wing-scraper, 48. said shafts, 4t) nnd 47, being mounted in suitable bearings secured to the side frames.

The chute or apron, 40, before mentioned is designed to bc removably attached to the fixed beitms or ruils, 1, which support the uprights, 3, so that it may be shifted from one position to nnothcr thereon, and be. used on either side of the unloading devices.

The operation of the foregoing pz'irts'may be generully stated its follows: The mntcrinl to be conveyed, whatever the character of said materiel, is received upon the belt-com vcyer, 50, 'end curried. to any desirable point to be unloaded, where the improved tri )ping device heretofore mentioned is locutct it it is desired to unload all of the material on one side of the belt, a wing, scraper, 48, is thrown into the position shown in Fi 2 whercb this scraper directs the IIliItGIltL towards t to side of the belt and delivers it into the chute, 49,0n that side of the apparatus. 'lhut said meterinl may be'delivered as described, the bars, 28, with theii' rollers, 32 and 33, are raised by the proper manipulation or downward movement of the hand lever, 22, which rocks the arm or segment, 23, which through the medium of the connec tion, 24, end littngers, 27 end 2, elevate the rollers and theirsunportnig hers from the dotted position, 53, in Fig. 1, to the full-line position in said figure. This action causes the belt to be lifted off the cone pulleys, 8 and 9, and further causes said belt to assume a level or fiut position transversely,'thereby making the action of the scraper positive and satisfactory. If it is desirable to remove a part of the nniterial on one side, the w' scraper, 48, is set sotha-t the outer end wi extend to the center line of the belt. The worm gear, hand wheel, and worm, afford satisfactory means for settin the scmper at any position desired. If belt of the material is to be delivered on one side of the conveyer belt and half on the other side, then the. scrapers, sit and th, are positioned so that their ends will join in the center of the belt. When i desire to deliver all the material to the side of the bclt opposite to thntiirst above described, the removable chute or apron, 49, is removed and placed in position on the side to which the material is to be delivered, and '85 the scraper. 48, will be. shifted to the side similar to that shown by the position occupied by the scraper, ll, in Fig. 2, end the said scraper, 4t, will be shifted to an angle the reverse of that shown by the other scraper, lb, so that it will extend substantiall across the puth of the. nntterial being conveyed and will cause, this material to be scraped toward the opposite side from west the scraper, lb, would deliver it when in the position shown in Fig. 2. hen the carriage or tripping device is to be shifted from one position along-the belt to another, the rollers, and 32%, are lifted out of tl'ieiropen bearings to permit the carriage to trove position lengthwise of the conveycr. \Yhen said carriage reaches the point desired, the pins are inserted in the holes, 51 and 52, in the bars 28 and 2t), and uprights, '3, thereby fixing the carriage to a stationary iortion of the structure. The rollers, 32 and 33, may now be placed in position in the burs, 2S and 2t), and elevated, ns'before described, into the full-line position of Fig. l. \Vhencvcnit is dcsiruble to iermit the conveyed material to pass to the discharge end of the conveyei= belt, 50, the frame formed by the bars, 28 and 29, with its rollers ttlt lowered to the position shown by dotted lines, 53 and 54, which allows the belt to drop upon the coneshaped pulleys, S and 9, and thus assume its normal curved or trough shape.

The, niech-unism described is simple in its construction, positive in its action and forms aconvenient and satisfactory means for removing loose material at any point in the length of the eonveyer belt while said beltis in operation; a port of the material may be delivered on one side of the belt and a part on the other side, or all the material may be delivered on either side, or the meterial-may be allowed to pass the tri )ping devices to the end of the convc er belt, as circumstances .mey make desirtib e.

l-leving thus described my invention what to iiiiew 1 00" i eiaim. as new and desim to SQGUTG by Lair hers Patent is:

1. in. an unioa-ziing i'ueciimiiiim, the (Milk bin. {1011 with Li. bait conveyer and 21 mus for impair rougii-simpc in cross-seatimi, of a, iioriximtaii *i'llOVflAiiG- sci'a'pur pnsitiuneii above the bait, mums 01? changing the an ie oi? the scmpei' ieiaiuirm to the surfaue 01' the belt over "whim: iii e1 i'para-tes, and means for eleva ing said b43113 miM-ivc to the "aper anti U6 Adina iy chain 1g" tile cross-secu bsmntia-Hy a Flat tionaii fur-n1. oi the Di /ii to m: immi iiiiiiiiiiifi nu zin iinimwiing n'iechiinism, the cmnon with :i imi GUKH6j/CI and :4 snuppori; said support, having 11mins for up to ther'mv give tiwbeitmbi aiiy a curved shape: in cross-section, of i'uezmi "or n 'ng the Wait out of" engagw edgwipiifi ing Illfibllm, and

Q iwiiiiiy liifiil iliiifii at mm per-- mi in iimm an aiiuiitnimzt mil; in a, {Jii'illfi iizmswrseiy 0f iliiarmf.

m1 iiiiimuiiny; mechan' iiiliy up mii'iun (if I! the i,

ing 6% i .i ie'mi suin a 1 him-Linn 4 mg mmns ii madly Lip-i the ii'iiim ((2 he) re? mid 0n the but 0i :4- sm'u pwsitiwmm vi i: i-iv fli to the imisx and aiizipieu m be iHU'Wd 11 a. iiniizonizzii pizi m: mom or i'iii maiiiiy across tiim carrying surf-am iliiiiinf, :1 (1 mm for alevatsmz, i/Em carryin pm im] wi the bait inw the range 0i" action mi 5510 i'2}7(%1' and nut of support (if the cdgzc-iiipiii i means, wiiuii iiy tim rim-Ty ing' Wilma nji L i? iwic. is: uiiimg ed to a fin? u;- ia'vei HUIiMMTiUi he an???) if in 'UDOHLTO nvm, and n, mui'i'ii'igge 1mm moumflmi and shiftaim fir-inn mm pimiiim'i in (uwtiwi' in Hm iemgih iii Lin: visit, ssiiii i){EiirfiiUVfli iily; means; mm sm'aaglim iiiiing' mmm'iv ii on SHiIi carriage.

in am imimiiiing; zi evlniiiiiin'i, H11: mimbinantiim with :1 iwit-cmiwsyvr and a minor support; filiiii'iifni', ii a guide fixed above the thereto suimimltiziiiy curved bait, DGYL-iiifi over Siliti guide in (iii'i'm'ent points in The li n gjih iii Hm bolt, :2, .=cr:.ipia momma on the caii'ii-ige so an: in have a swinging limi'enwnt in 1 piano in right angles to the travel 0i H v iwii, and 111mm for elevating th s: 101W in mi oi i'im wilt into the range 0i antiun oi the ricmpm' and i'orsti'aigiibening the pinion of the imitpassing undai' the sen pm. I

iii an unimiriing Hitth'illiiiwl'll, the cum hinaizion with a iieit-oonveyer. and a guide and. support therefor, of a mic/k above and Subsifil'lfiifiiiy paraiiei with H10 wait, a -m= riage i'no'vaifiy-n10uuimi on said i'l'2l(1i\', scrapers iii; oppiwiii sides of this curring-ii and Luma-hiy-moui teii. therein to Amid mmiioi with the iiii'QUiiOl'l of mowmom (if the Emit.

mi :mg'in i'iHEQiU, a i'uiivr-cnflying 'fi'EUXN: nm'mziiiy ;)()s' i0i1 i iiQiUW and um (if "an imam iii ivin w i and a frame ausgiiiuimi iwm mi:

having; rollers passing beneath the upper run of the belt. snid rollers being norinullv below and out of contact with the belt and adapted Io lill the hell from its rollersupport and straighten out transversely the portion of the lwll beneath the scrapers.

El. An unloading mechanism. comprising a heli-ronvever and a suppmting frame-work, said l'raine-\\'ork having rollers and certain of said rollers being cone-shaped and adapted to uplift the edges of the belt and give to the belt a curved form in cross-section; a guide above the belt, and a carriage movablymounted 'on said guide; scrapers ontthe carrinn'eat opposite sides of the belt and tnrnable from a position parallel with the travel ol the belt to aposition at an angle thereto; and nrlrame suspended from the carriage having rollers passing beneath the upper run of the belt, said rollers being-normally below and out of contact with the belt and adapted to lift the belt from its roller-support and straight en out transversely the portion of the belt beneath the scrapers; and worm-gearing lor adjusting the position of the sera' ers relative to the material being; conveye 10. An unlorulilre mechanism comprising a belt-conveyor and a supportingframe-work, said frame-work having rollers and certain of said rollers being cone-shaped and adapted to uplift the edges '01- the belt and give to the belt a curved form in cross-section; a guide above the belt, and a carriage movablymounted on said guide; scrapers on the carriage at opposite sides of (the belt and turnable from a position parallel with the travel of the belt to a position at anfangle thereto; and a irame suspended from the carriage having rollers passing beneath the u )per run of the belt, said rollers being normal y below and out of contact with the belt and adapted to lift the belt from its roller-support and straighten out transversely the portion of the belt beneath the scrapers; and means for reiinLLmM a. CUNNINGHAM \Vitnesses SAMUEL E. AUOK, A. 'l. CUNNINGHAM. 

